EPA TRI Facility · Chemicals
US Pack Inc
Leominster, MA
- Total releases
- 436 lbs
- Chemicals reported
- 4
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
US Pack Inc: how the 456 lbs splits
456 lbs across all reported pathways
- Air Releases 456 lbs 100.0%
US Pack Inc's 456 lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Ethylene glycol.
TRACE volume AIR pathway CARC-LEAN
US Pack Inc is an EPA Toxics Release Inventory reporter in Leominster, MA, in the chemicals sector. It reported 20 lbs of releases across 1 chemical in 2024, and 436 lbs in total across its 2019-2024 reporting years. That ranks 14,982 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Massachusetts's 373 reporting TRI sites, pounds #1 is not chemical-count #1. US Pack Inc is pounds #242 and chemical-count #90 at 436 lbs. Solutia Inc leads reported pounds (2.5M lbs) at 9 chemicals (chemical-count #10). Astro Chemicals Inc leads chemical count at 17 chemicals (5.9K lbs, pounds #154). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Southwin Ltd; Teknor Apex Elastomers Inc.; International Rectifier Hirel Products Inc.; Alpha Wire Co. Similar-scale Chemicals peers outside Massachusetts: Rbp Chemical Technology Inc.; Flint Group Packaging Inks Na Corp; Expal Texarkana; Nachurs Alpine Solutions. Largest disclosed chemicals by pounds: Ethylene glycol; 1,2,4-Trimethylbenzene; Xylene (mixed isomers); Naphthalene.
Compare US Pack Inc with
Nearest reporters in Massachusetts
- Southwin Ltd Leominster · 6.0K lbs
- Teknor Apex Elastomers Inc. Leominster · 27.7K lbs
- International Rectifier Hirel Products Inc. Leominster · 2 lbs
- Alpha Wire Co Leominster · 2.6K lbs
Similar-scale Chemicals sites elsewhere: Rbp Chemical Technology Inc. (WI) · Flint Group Packaging Inks Na Corp (TX) · Expal Texarkana (TX)
US Pack Inc stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 4 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 436 lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Rbp Chemical Technology Inc. and Flint Group Packaging Inks Na Corp.
US Pack Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
436 lbs 42nd percentile higher than 42% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
US Pack Inc in the Chemicals sector extract
Among the 3,917 Chemicals facilities in this database, US Pack Inc reports the 2,982nd-largest volume (436 lbs). Scale peers outside Massachusetts include Rbp Chemical Technology Inc. and Flint Group Packaging Inks Na Corp.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- US Pack Inc's total reported releases fell from 75 lb in 2022 to 47 lb in 2023, based on EPA TRI filings.
- US Pack Inc's air releases fell from 75 lb in 2022 to 47 lb in 2023, based on EPA TRI filings.
US Pack Inc Form-R facts
Compare this facility
See how US Pack Inc stacks up against nearby facilities and the typical reporter.
93% less than the comparison
2.0× more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How US Pack Inc releases toxic chemicals into the environment. Total: 456 lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 70% (67 lbs to 20 lbs).
US Pack Inc: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows US Pack Inc year-over-year reported totals (decreased by 70% from 2019 to 2024). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Ethylene glycol.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 67 lbs | 4 |
| 2020 | 159 lbs | 4 |
| 2021 | 88 lbs | 2 |
| 2022 | 75 lbs | 2 |
| 2023 | 47 lbs | 2 |
| 2024 | 20 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 1 of 4 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ethylene glycol | 214 lbs | - |
| 1,2,4-Trimethylbenzene | 192 lbs | - |
| Xylene (mixed isomers) | 43 lbs | - |
| Naphthalene | 7 lbs | Carcinogen |
US Pack Inc · AIR-pathway site
Nearest TRI Facilities to US Pack Inc
Closest other reporters in Massachusetts - including Southwin Ltd, Teknor Apex Elastomers Inc., International Rectifier Hirel Products Inc., ordered by distance.
Showing 8 of 372 other reporting facilities in Massachusetts.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Massachusetts - e.g. Rbp Chemical Technology Inc., Flint Group Packaging Inks Na Corp, Expal Texarkana.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Ethylene glycol, 1,2,4-Trimethylbenzene, Xylene (mixed isomers), Naphthalene; nearby reporters include Southwin Ltd. US Pack Inc stamps TRACE volume · AIR pathway · CARC-LEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This US Pack Inc TRI extract (TRACE · AIR · CARC-LEAN · lead Ethylene glycol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
US Pack Inc totals are self-reported EPCRA §313 estimates for Leominster, MA, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 325211 · Chemicals. 0.0% of Worcester TRI pounds in this extract. Nearest ABS peer: Sun Coast Resources LLC (Δ 1 lbs). Pounds ≠ exposure.
US Pack Inc stamps TRACE volume · AIR pathway · CARC-LEAN · lead Ethylene glycol. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov